Kenwood PS-430, PS-50, SP-430, MB-430, AT-440, VS-1, YK-88SN, YK-88CN specifications Unit

TS-440S

ADJUSTMENT

Item

7 . PLL 62MHz BPF

8 . VCO2

Condition

11 MODE AM

Readjust T9 (VCO2 OSC coil) to unlock . (Core is fully bottom po- sition)

2)Connect 5609 resister in Tracking Gen . output line . Use oscillo- scopes probe to connect to spec- trum analyzer .

1)Reset operation must also be performed .

*See a microprocessor operation check .

1)FREQ : 14 .0000MH z

MODE A M

2)FREQ 13 .999,9 MHz

MODE A M

Measurement				Adjustmen t
Test							Specification/Remarks
equipment	Unit	Terminal	Unit	Part	Metho d
Tracking	PLL	IC8-1					TRACKIN G
Gen .		11 pin)			56On	, OUT	GENERATO R
								3dB or les s
Spectrum		TP4		T6,7,8	GND	Do O	GND	k
analyzer		(R64)			TP 4	vR I
Probe
					(R64 )
							Shiel d	66MHz
							Case
							00	59 .5MH z
						/	00
							OU T
DC V .M	PLL	TP5	PLL	T9	6 .4V		T9 has two peaking point .
		(L21)					Adjust as shown below .
							t 0 .1V	GOO D
								T8
								N G

i

2 .2-3 .O V

31 FREQ 14 .000,00 MHz	Spectrum PLL	TP4	PLL	VR1	L23 and L21 shorte d
MODE AM	analyzer	(R64)			to ground . (PLL
					20d B

unlocked )	or mor e
Adjust spurious radia -
tion level . (58 .25MHz)
	58 .25	66 .5MH z

9 . PLL 30MHz

BPF

10 . PLL 38 .5- 39MHz BPF

11 . PLL VC O (6 .5- 36MHz)

BPF

FREQ 14 .250 .00MHz

MODE AM

FREQ 14 .250 .00MHz

MODE AM

1)Disconnect RF unit coax . cabl e (VCO)

2)Connect 5609 resistor in Track- ing Generator output line .

Use oscilloscope's probe to connect to spectrum analyzer .

Oscilloscope	PLL	TP7	PLL	T10,11	MAX
		IC12-5pin		,1 2
Oscilloscope	PLL	TP8	PLL	T13,14	MAX
		(R112)		,1 5
Trackin g	PLL	IC14-1pi n
Generator
Probe		TP9	PLL	T16,17
Spectrum		(L33)		,18,19	Ripple

analyzer 3dB or less

Ref . 0 .3V/p- p

Ref . 0 .2V/p- p

37 .5dB	Less than 2d B
	between peak an d

2d B

point of 37 .5MHz .

12 . 39MHz Spurius radiation

13 . VCO1

FREQ 24 .9500MHz

MODE AM

1)FREQ 29 .9999MHz

MODE : A M

FREQ 22 .0000MHz

2)FREQ 21 .9999MHz FREQ 14 .5000MHz

3)FREQ 14 .9999MHz FREQ 7 .5000MHz

41 FREQ 7 .4999MHz

FREQ 30 .0 (30kHz)

					45dB or more
					42MH z
Spectrum	PLL	TP9	PLL	VR 2
analyzer		(L33)			Minimu m
					42dB or mor e
					31MHz 39MH z
				T21	±0 .1 V
					5 .3-6 .3 V
					±0 .1 V
DC V .M	PLL	TP10	RF	T22	2 .5 V
		(R138)			5 .3-6 .3 V

±0 .1	V
T2 3		.3 V
5 .3-6
±0 .1	V
T2 4
5 .5-6		.5V

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